JAMB Biology Past Questions & CBT Practice

Which of these is a medium of transportation in plants?

1. A.cell sap✓ Correct
2. B.Nucleus
3. C.Mitochondrion
4. D.Ribosome

The type of circulatory system found in arthropods and some molluscs is

1. A.open circulatory system✓ Correct
2. B.closed circulatory system
3. C.single circulatory system
4. D.double circulatory system

Which of the following statements is true regarding cell growth?

1. A.Cell growth is solely influenced by external factors
2. B.Cell growth is a continuous process throughout the life of a cell
3. C.Cell growth involves an increase in the number of organelles within a cell✓ Correct
4. D.Cell growth occurs by cell division

Which of the following organs is primarily responsible for excretion in humans?

1. A.Liver
2. B.Pancreas
3. C.Kidneys✓ Correct
4. D.Lungs

Viviparity refers to the reproductive strategy in which

1. A.Offspring are produced by internal fertilization
2. B.Offspring are produced by external fertilization
3. C.Offspring develop and are nourished inside the female's body✓ Correct
4. D.Offspring develop and are nourished outside the female's body

The transmission of diseases through contamination of food is an economic importance of

1. A.mosquitoes
2. B.cockroaches✓ Correct
3. C.butterflies
4. D.bees